When one remembers under what conditions the working-people live, when one thinks how crowded their dwellings are, how every nook and corner swarms with human beings, how sick and well sleep in the same room, in the same bed, the only wonder is that a contagious disease like this fever does not spread yet farther. And when one reflects how little medical assistance the sick have at command, how many are without any medical advice whatsoever, and ignorant of the most ordinary precautionary measures, the mortality seems actually small. Dr. Alison, who has made a careful study of this disease, attributes it directly to the want and the wretched condition of the poor, as in the report already quoted. He asserts that privations and the insufficient satisfaction of vital needs are what prepare the frame for contagion and make the epidemic widespread and terrible. He proves that a period of privation, a commercial crisis or a bad harvest, has each time produced the typhus epidemic in Ireland as in Scotland, and that the fury of the plague has fallen almost exclusively on the working-class. It is a noteworthy fact, that according to his testimony, the majority of persons who perish by typhus are fathers of families, precisely the persons who can least be spared by those dependent upon them; and several Irish physicians whom he quotes bear the same testimony. Another category of diseases arises directly from the food rather than the dwellings of the workers. The food of the labourer, indigestible enough in itself, is utterly unfit for young children, and he has neither means nor time to get his children more suitable food. Moreover, the custom of giving children spirits, and even opium, is very general; and these two influences, with the rest of the conditions of life prejudicial to bodily development, give rise to the most diverse affections of the digestive organs, leaving life-long traces behind them. Nearly all workers have stomachs more or less weak, and are yet forced to adhere to the diet which is the root of the evil. How should they know what is to blame for it? And if they knew, how could they obtain a more suitable regimen so long as they cannot adopt a different way of living and are not better educated? But new disease arises during childhood from impaired digestion. Scrofula is almost universal among the working-class, and scrofulous parents have scrofulous children, especially when the original influences continue in full force to operate upon the inherited tendency of the children. A second consequence of this insufficient bodily nourishment, during the years of growth and development, is rachitis, which is extremely common among the children of the working-class. The hardening of the bones is delayed, the development of the skeleton in general is restricted, and deformities of the legs and spinal column are frequent, in addition to the usual rachitic affections. How greatly all these evils are increased by the